fix

project/customer/views/license.py

@@ -2,7 +2,7 @@
 import hashlib
 
 from django.shortcuts import render, redirect
-from django.http import Http404
+from django.http import Http404, HttpResponse
 from django.conf import settings
 from django.views.decorators.csrf import csrf_exempt
 from django.utils.http import urlquote